package shuogg.codefix.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

public class EncodeFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
            throws IOException, ServletException {
        request.setCharacterEncoding("utf-8");

        HttpServletRequest req = (HttpServletRequest) request;

        String reqMethod = req.getMethod();
        if (reqMethod.equals("GET")) {
            EncodeRequest newReq = new EncodeRequest(req);
            chain.doFilter(newReq, response);
        } else if (reqMethod.equals("POST")) {
            chain.doFilter(request, response);
        }
    }

    @Override
    public void destroy() {
    }

}
